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贓物所有權歸屬之賽局分析

A Game Theoretic Analysis of Property Rights by Theft

摘要


在贓物所有權歸屬問題之下,本文承繼Rose(2010)的設定,使用賽局模型分析贓物不適用善意取得(即無條件歸還原持有者)及適用善意取得的法律規定,並討論我國實際贓物所有權的制度,並比較三種制度下的參賽者的聯合效用大小。透過本研究可發現,原持有者擁有物品所有權的效用相對較高時,社會上應偏向贓物不適用善意取得較有效率;當潛在買方擁有物品所有權的效用相對較高時,社會上應偏向贓物適用善意取得較有效率。而我國現有制度不管在何種情況之下,皆不是最有效率的,故我國對贓物所有權歸屬的法律從效率面而言有重新檢討之必要。

關鍵字

贓物 善意 子賽局完全均衡

並列摘要


Modifying the settings of Rose (2010), this paper uses the game theoretic model to discuss whether a stolen good is applicable of bona fide acquisition system. We compare the total utilities among three systems: a rule of law where good faith is irrelevant, a rule where good faith may protect an innocent buyer, and the real regulation in Taiwan. It is shown that as the utility of the potential buyer with the ownership is much lower than that of the owner, a rule of law where good faith is irrelevant is the most efficient while as the utility of the potential buyer with the ownership is much higher than that of the owner, a rule where good faith may protect an innocent buyer is the most efficient. The regulation in Taiwan is not the best to the society and necessary for the government to amend.

參考文獻


張永健(2001)。論『動產所有權善意取得』之若干問題。台灣本土法學。27,105-20。
陳榮隆(2004)。盜贓物之善意取得與時效取得。台灣本土法學。58,146-153。
胡馨勻(2006)。占有人對盜贓遺失物之民事救濟─以民法第949條及第962條為中心(碩士論文)。私立東吳大學法律學研究所。
馬莉(2011)。論贓物的善意取得(碩士論文)。中國大陸西北大學法學系。
Ben-Shahar, Omri,Harel, A.(1995).Blaming the victim: Optimal incentives for private precautions against crime.Journal of Law Economics and Organization.11(2),434-455.

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